- propagate renaming for crate to fastwave_backend

- repair scope printout from example/vcd.rs
 - update and improve instruction for running examples in README

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "fastwave"
+name = "fastwave_backend"
 version = "0.1.0"
 edition = "2021"
 

README.md

@@ -56,11 +56,11 @@ This repository comes with several smaller VCD files emitted from
 various EDA tools. If you want a larger VCD file, grab one from
 [here](https://drive.google.com/file/d/1pfm2qo2l8fGTHHJ8TLrg1vSGaV_TUbp2/view?usp=sharing).
 
+Here are some examples you can run:
 The first build of the program may take some time.
 
-``cargo run --release --example parse_vcd tests/vcd-files/aldec/SPI_Write.vcd``
+1. ``cargo run --release --example parse_vcd tests/vcd-files/aldec/SPI_Write.vcd``
-
+2. ``cargo run --release --example vcd``
-You can also run the vcd example with: cargo run --release --example vcd1.
 
 You can run all the tests with ``cargo test``
 

examples/parse_vcd.rs

@@ -5,7 +5,7 @@
 use clap::Parser;
 use std::fs::File;
 
-use fastwave::*;
+use fastwave_backend::*;
 
 use num::{BigUint};
 

examples/vcd.rs

@@ -4,20 +4,18 @@
 // the root of the folder containing the sources for this program.
 use std::fs::File;
 
-use fastwave::*;
+use fastwave_backend::*;
 
 use num::{BigUint};
 
 fn indented_print(indent : u8, name : &String) {
-    for _ in 0..indent {print!("  ");}
+    for _ in 0..indent {print!("  |");}
-    print!(" |");
+    print!("---");
-    print!(" ");
     println!("{name}");
 }
 
 fn print_root_scope_tree(root_idx: ScopeIdx, vcd: &VCD, indent : u8) {
     if vcd.child_scopes_by_idx(root_idx).is_empty() {
-        indented_print(indent, vcd.scope_name_by_idx(root_idx));
     } else {
         for child_scope_idx in vcd.child_scopes_by_idx(root_idx) {
             indented_print(indent, vcd.scope_name_by_idx(child_scope_idx));

tests/integration_test.rs

@@ -12,7 +12,7 @@ fn parse_all_VCDs() {
     // see if we can parse all signal trees successfully
     for file_name in FILES {
         let file = File::open(file_name).unwrap();
-        let vcd = fastwave::parse_vcd(file);
+        let vcd = fastwave_backend::parse_vcd(file);
 
         if !vcd.is_ok() {
             dbg!(file_name);